body{
    margin: 0;
    background-color: #333333;
}
#title{
    position: absolute;
    width: 40%;
    height: 10%;
    top: 0;
    left: 30%;
    /*background-color: gainsboro;*/
    font-size: 35px;
    color: white;
    /*居中显示*/
    display: flex;
    align-items: center;
    justify-content: center;
}
#time{
    position: absolute;
    /*width: 30%;*/
    height: 10%;
    top: 5%;
    right: 2%;
    color: white;
    font-size: 20px;
    /*background-color: aqua;*/
}
#left1{
    position: absolute;
    width: 30%;
    height: 45%;
    top: 10%;
    left: 0;
    /*background-color: yellow;*/
}
#left2{
    position: absolute;
    width: 30%;
    height: 45%;
    top: 55%;
    left: 0;
    /*background-color: red;*/
}
#mid1{
    position: absolute;
    width: 40%;
    height: 30%;
    top: 10%;
    left: 30%;
    /*background-color: deepskyblue;*/
    color: white;
}
.num{
    width: 25%;
    float: left;
    display: flex;
    align-items: center;
    justify-content: center;
    color: gold;
    font-size: 16px;
}
.txt{
    width: 25%;
    float: left;
    display: flex;
    align-content: center;
    justify-content: center;
    font-family: "幼圆";
}
#mid2{
    position: absolute;
    width: 40%;
    height: 60%;
    top: 40%;
    left: 30%;
    /*background-color: greenyellow;*/
}
#right1{
    position: absolute;
    width: 30%;
    height: 45%;
    top: 10%;
    right: 0;
    /*background-color: chocolate;*/
}
#right2{
    position: absolute;
    width: 30%;
    height: 45%;
    top: 55%;
    right: 0;
    /*background-color: aqua;*/
}
footer{
    position: absolute;
    width: 40%;
    height: 100px;
    top: 100%;
    left: 30%;
    color: white;
    font-size: .100rem;
    text-align: center;
    /*居中显示*/
    display: flex;
    align-items: center;
    justify-content: center;
}
.china_title{
    border-bottom: 3px solid #10aeb5;
    padding-bottom: 4px;
}
.world_title{
    font-size:26px;
    color: gray;
    text-decoration: none;
}
a.world_title:hover {
    color: white;
    border-bottom: 3px solid #10aeb5;
    padding-bottom: 5px;
}